试述纺织材料的疲劳现象及其产生的原因。

题型:问答题 简答题

问题:

试述纺织材料的疲劳现象及其产生的原因。

考点:纺织科学技术纺织面料基础知识纺织面料基础知识题库
题型:问答题 简答题

二次雷达在军事上主要应用于()。

A、搜索目标

B、导航

C、制导

D、敌我识别

题型:问答题 简答题

小明用台秤研究人在竖直升降电梯中的运动.他先在地面上用台秤称得自己的体重为500N,再将台秤移至电梯内,电梯从t=0时由静止开始向下运动到t=11s时停止,测得台秤对自己的支持力F随时间t变化的图象如图所示,则

A.0~2s的过程中,小明的动能不变

B.2s~10s的过程中,小明的重力势能转化为动能

C.10s~11s的过程中,小明的机械能不断减小

D.0~11s的过程中,小明的机械能不断增大

题型:问答题 简答题

A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There’s nothing wrong with her hearing. She’s just (6) you out. "

A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don’t listen to each other. Neither person (9) to the actual message sent by the other.

In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why Because they don’t believe that they listen to them. In fact, it seems that sometimes our politicians don’t even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause.

17()

A.to

B.with

C.for

D.on

题型:问答题 简答题

下列属于对不依法设置会计账簿的,对单位处()的罚款。

A、2000-20000

B、3000-50000

C、5000-50000

D、3000-20000

题型:问答题 简答题

下面哪一项是反应性评估中"对人的尊重"的评价项目()

A.及时关注

B.社会支持

C.交流

D.基本环境质量

E.选择提供者

更多题库